Option to prevent data components copy in smithing recipes

paper-api/src/main/java/org/bukkit/inventory/SmithingRecipe.java

@@ -14,6 +14,7 @@ public class SmithingRecipe implements Recipe, Keyed {
     private final ItemStack result;
     private final RecipeChoice base;
     private final RecipeChoice addition;
+    private final boolean copyDataComponents; // Paper
 
     /**
      * Create a smithing recipe to produce the specified result ItemStack.
@@ -29,6 +30,23 @@ public class SmithingRecipe implements Recipe, Keyed {
      */
     @Deprecated(since = "1.20.1")
     public SmithingRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @Nullable RecipeChoice base, @Nullable RecipeChoice addition) {
+        // Paper start
+        this(key, result, base, addition, true);
+    }
+    /**
+     * Create a smithing recipe to produce the specified result ItemStack.
+     *
+     * @param key The unique recipe key
+     * @param result The item you want the recipe to create.
+     * @param base The base ingredient
+     * @param addition The addition ingredient
+     * @param copyDataComponents whether to copy the data components from the input base item to the output
+     * @deprecated use {@link SmithingTrimRecipe} or {@link SmithingTransformRecipe}
+     */
+    @Deprecated
+    public SmithingRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @Nullable RecipeChoice base, @Nullable RecipeChoice addition, boolean copyDataComponents) {
+        this.copyDataComponents = copyDataComponents;
+        // Paper end
         this.key = key;
         this.result = result;
         this.base = base;
@@ -66,4 +84,26 @@ public class SmithingRecipe implements Recipe, Keyed {
     public NamespacedKey getKey() {
         return this.key;
     }
+
+    // Paper start
+    /**
+     * Whether to copy the NBT of the input base item to the output.
+     *
+     * @return true to copy the NBT (default for vanilla smithing recipes)
+     * @apiNote use {@link #willCopyDataComponents()}
+     */
+    @org.jetbrains.annotations.ApiStatus.Obsolete(since = "1.20.5")
+    public boolean willCopyNbt() {
+        return this.willCopyDataComponents();
+    }
+
+    /**
+     * Whether to copy the data components of the input base item to the output.
+     *
+     * @return true to copy the data components (default for vanilla smithing recipes)
+     */
+    public boolean willCopyDataComponents() {
+        return this.copyDataComponents;
+    }
+    // Paper end
 }

paper-api/src/main/java/org/bukkit/inventory/SmithingTransformRecipe.java

@@ -24,6 +24,22 @@ public class SmithingTransformRecipe extends SmithingRecipe {
         super(key, result, base, addition);
         this.template = template;
     }
+    // Paper start
+    /**
+     * Create a smithing recipe to produce the specified result ItemStack.
+     *
+     * @param key The unique recipe key
+     * @param result The item you want the recipe to create.
+     * @param template The template item.
+     * @param base The base ingredient
+     * @param addition The addition ingredient
+     * @param copyDataComponents whether to copy the data components from the input base item to the output
+     */
+    public SmithingTransformRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @Nullable RecipeChoice template, @Nullable RecipeChoice base, @Nullable RecipeChoice addition, boolean copyDataComponents) {
+        super(key, result, base, addition, copyDataComponents);
+        this.template = template;
+    }
+    // Paper end
 
     /**
      * Get the template recipe item.

paper-api/src/main/java/org/bukkit/inventory/SmithingTrimRecipe.java

@@ -24,6 +24,21 @@ public class SmithingTrimRecipe extends SmithingRecipe implements ComplexRecipe
         super(key, new ItemStack(Material.AIR), base, addition);
         this.template = template;
     }
+    // Paper start
+    /**
+     * Create a smithing recipe to produce the specified result ItemStack.
+     *
+     * @param key The unique recipe key
+     * @param template The template item.
+     * @param base The base ingredient
+     * @param addition The addition ingredient
+     * @param copyDataComponents whether to copy the data components from the input base item to the output
+     */
+    public SmithingTrimRecipe(@NotNull NamespacedKey key, @NotNull RecipeChoice template, @NotNull RecipeChoice base, @NotNull RecipeChoice addition, boolean copyDataComponents) {
+        super(key, new ItemStack(Material.AIR), base, addition, copyDataComponents);
+        this.template = template;
+    }
+    // Paper end
 
     /**
      * Get the template recipe item.